Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Clear

46°F

8°C

Humidity 93%
Wind Speed NNW 5 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Wind Chill44°F (7°C)
Last update 20 Jan 06:20 PM PST
Extended Forecast for

4 Miles E Hercules CA

  • Tonight

    Tonight: Cloudy, with a low around 46. East wind around 6 mph.

    Low: 46 °F

    Cloudy

  • Wednesday

    Wednesday: Areas of fog before 10am.  Otherwise, cloudy, with a high near 57. East wind around 6 mph.

    High: 57 °F

    Areas Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 47. South wind 3 to 5 mph.

    Low: 47 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 59. West southwest wind 5 to 7 mph.

    High: 59 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46. Southwest wind around 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 46. East wind around 6 mph.
Wednesday
Areas of fog before 10am. Otherwise, cloudy, with a high near 57. East wind around 6 mph.
Wednesday Night
Cloudy, with a low around 47. South wind 3 to 5 mph.
Thursday
Mostly cloudy, with a high near 59. West southwest wind 5 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 46. Southwest wind around 7 mph.
Friday
Partly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hercules CA
 38.01°N 122.18°W (Elev. 597 ft)
1:57 pm PST Jan 20, 2026
6pm PST Jan 20, 2026-6pm PST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database